Posted by BushogPapa on January 24, 2013 at 12:49:44 from (173.88.51.117):
In Reply to: Air Power posted by Bill(Wis) on January 24, 2013 at 08:18:40:
Hydraulics over an accumulator are a very good form of power distribution...as Electric can be... Hydraulics has less heat losses I think and would work very well, to eliminate the need for the usual Brakes..as it would re-replenish the pressure as you stop.. In City traffic, only a very small engine would be required and then, only intermittently..
Lithium Ion batteries are very good at absorbing current quickly and are looking good..but, the "BRAKING" is a problem when it comes to energy recovery... I have always leaned toward another "Power Recovery" system that is over-looked: Instead of a Turbo to make an engine produce more power and more fuel, I would have leaned toward the Exhaust "Blow-Down" system, to recover exhaust energy, to help turn the crankshaft..as was used on the TWA Super Connis.. They increased the Take-Of HP for each engine by 1,000HP with this+water injection... Instead of using more fuel, it would Save fuel...
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